Find the vertex, focus and directrix of the parabola `4y^2+12 x-12 y+39=0.`

Explanation

To find the vertex, focus, and directrix of the parabola given by the equation \(4y^2 + 12x - 12y + 39 = 0\), we will follow these steps:

### Step 1: Rearrange the equation
We start by rearranging the equation to group the \(y\) terms and \(x\) terms together:
\[ 4y^2 - 12y + 12x + 39 = 0 \]

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